2014, Article in monograph or in proceedings (DIFTS'14 : Proceedings of the 3rd International Workshop on Design and Implementation of Formal Tools and Systems, October 20, 2014 Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland, pp. 1-8)

2010, Article in monograph or in proceedings (Croft, B. (ed.), Query Representation and Understanding : Workshop of the 33rd Annual International ACM in Information Retrieval on Research and Development SIGIR Conference, pp. 17-20)

2003, Part of book or chapter of book (Pena, Ricardo (ed.), Implementation of Functional Languages : The 14th International Workshop on the Implementation of Functional Languages, IFL 2002, Selected Papers, pp. 17-33)

2019, Article in monograph or in proceedings (Johannesson, P. (ed.), VMBO 2019: Value Modeling and Business Ontologies. Short Paper Proceedings of the 13th International Workshop on Value Modeling and Business Ontologies Stockholm, Sweden, March 4-5, 2019, pp. 1-8)